Toshiba wx5400. Projector brightness: 5400 ANSI lumens, Aspect ratio: 4:3, 16:9, Projection technology: DLP. Service life of lamp: 2000 h, Lamp power: 280 W, Service life of lamp (economic mode): 3000 h. Vertical scan range: 50 - 150 Hz, Horizontal scan range: 15 - 120 kHz. Noise level: 39 dB. Weight: 17000 g